111434103 has 48 divisors (see below), whose sum is σ = 189477120. Its totient is φ = 64555920.

The previous prime is 111434083. The next prime is 111434137. The reversal of 111434103 is 301434111.

It is not a de Polignac number, because 111434103 - 2⁹ = 111433591 is a prime.

It is a super-2 number, since 2×111434103² = 24835118622829218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111434173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74400 + ... + 75882.

It is an arithmetic number, because the mean of its divisors is an integer number (3947440).

Almost surely, 2^111434103 is an apocalyptic number.

111434103 is a deficient number, since it is larger than the sum of its proper divisors (78043017).

111434103 is a wasteful number, since it uses less digits than its factorization.

111434103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111434103 is about 10556.2352664196. The cubic root of 111434103 is about 481.2152410270.

Adding to 111434103 its reverse (301434111), we get a palindrome (412868214).

The spelling of 111434103 in words is "one hundred eleven million, four hundred thirty-four thousand, one hundred three".